| article html file updated | 29 August 2025 23:00 CEST | Update | https://www.mdpi.com/1996-1073/9/5/317 |
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| article pdf uploaded. | 26 April 2016 07:50 CEST | Updated version of record | https://www.mdpi.com/1996-1073/9/5/317/pdf |
| article xml uploaded. | 25 April 2016 09:28 CEST | Update | https://www.mdpi.com/1996-1073/9/5/317/xml |
| article pdf uploaded. | 25 April 2016 09:28 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/5/317/pdf-vor |
